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1 Nov 1979

Technical Reports

Vertical Track Modulus: Test Results and Comparison of Analysis Techniques

Author
J. Choros, A.M. Zarembski, I. Gitlin

Subject Track

Keywords: Vertical Track Modulus, Vertical Track Stiffness, Load-Deflection

Abstract: A vertical track response test was conducted at the AAR Track Structures Dynamic Test Facility. This test was intended to characterize the behavior of the track structure under...

Report Number
FRA/ORD-79/34
Office
RRD

1 Nov 1979

Technical Reports

Methodology for Evaluation the Cost and Benefit of Advanced Braking and Coupling Systems

Author
E.K. Bender, A.J. Berger, J.W. Ernest, L.E. Wittig

Subject Track/Train Interactions, Evaluation

Keywords: Braking and Coupling Systems, Coast and Benefit Analysis, Freight Cars

Abstract: This report presents a quantitative methodology for evaluating the costs and benefits of advanced railroad braking and coupling systems. Starting with a specification of the...

Report Number
FRA/ORD 79/57
Office
RRD

1 Nov 1979

Technical Reports

Measurement and Correlation Analysis Plan for Concrete Tie and Fastener Performance Evaluation

Author
F. E. Dean, H. D. Harrison, R. H. Prause, E. T. Selig, D. McMahon

Subject Evaluation, Tracks & Structures

Keywords: Concrete Cross Ties, Track Performance, Ties and Fasteners, Track Testing, FAST

Abstract:

This report was prepared as part of the Improved Track Structures Research Program sponsored by the Office of Rail Safety Research of the Federal Railroad Administration. The...

Report Number
FRA/ORD-79/51
Office
RDI-22

1 Nov 1979

Technical Reports

Mechanical Impedance Evaluations of the Kansas Test Track: Pretraffic and Posttraffic Tests

Author
Stafford S. Cooper

Subject Facilities & Test Equipment

Keywords: Velocity Transfer Ratio, Linear Idealization, Performance Comparisons, Track Structure Response

Abstract:

The Kansas Test Track (KTT) was comprised of nine different track systems whose dynamic response was measured in two series of impedance tests. Pretraffic impedance testing was...

Report Number
FRA/ORD-79/10
Office
RDI-22

1 Nov 1979

Technical Reports

Test Results Report - Ride Quality Testing of an Amcoach on Wooden and Concrete Tie Sections

Author
R. Scofield

Subject Tracks & Structures

Keywords: Crossties, Cross Ties, Vehicle Accelerations, Sound-Pressure Levels, ISO Standards, Wz

Abstract:

This report covers the collection of ride quality data on an Amcoach while traveling on wooden and concrete tie sections in the area of Boston, MA and Aberdeen, MD on the...

Report Number
DOT-FR-64113